1.单选题- (共2题)
A.向心力较小 | B.动能较大 |
C.发射速度都是第一宇宙速度 | D.角速度较小 |









A.该波的周期为![]() |
B.在![]() ![]() |
C.从![]() ![]() ![]() ![]() |
D.从![]() ![]() |
2.选择题- (共2题)
阅读短文,下列问题
A
Mr. Green once worked in a big company. He was quite busy so that he couldn't do any reading. So he gave up his job and opened a bookshop in the center of the town. It wasn't big but all the books were nice and most people liked to buy some there. When the shop was closed, he could read at home. He knew a lot and many learned people were glad to make friends with him.
It was Sunday and it was cold outside. Mr. Green was very busy. At nine in the evening all the buyers left but a woman was still there. She was dressed up and seemed to be waiting for somebody there. Standing by the shelves, she looked over the books one after another, and made them in a terrible mess. Mr. Green came up to her and asked, “Excuse me, madam. What can I do for you?”
“Your books are not interesting at all,” said the woman. “I want a delicious one.”
“That's easy,”Mr. Green smiled. He brought out a cookbook and said, “Here you are, madam.”
阅读短文,下列问题
B
Andy plays basketball for the children's basketball club. He usually gets up at around 5:30 and runs in his school from 5:40 to 6:40. After running, he has breakfast at 7 o'clock. For breakfast, he eats some eggs and vegetables. At around 8:00, he plays basketball with his friends. They play basketball for around four hours. At about 12:00, they have lunch. For lunch, Andy has lots of vegetables, chicken and fruit. At 3 o'clock in the afternoon, Andy goes to the children's basketball club. He is never late for the club. Then Andy has dinner at about 7:00. After dinner, he watches basketball games on TV. Andy usually goes to bed at 10:30.
3.多选题- (共1题)





A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
4.解答题- (共2题)

(1)求匀强电场场强



(2)若绳能承受的最大拉力为


(3)求






(1)电动机内阻消耗的热功率;
(2)将蓄水池蓄入864

5.实验题- (共1题)

(2)某学习小组的同学拟探究小灯泡L的伏安特性曲线,可供选用的器材如下:
小灯泡L,规格“4.0V,0.7A”;
电流表A1,量程3A,内阻约为0.1Ω;
电流表A2,量程0.6A,内阻r2=0.2Ω;
电压表V,量程3V,内阻rV=9KΩ;
标准电阻R1,阻值1Ω;
标准电阻R2,阻值3KΩ;
滑动变阻器R,阻值范围0~10Ω;
学生电源E,电动势6V,内阻不计;
开关S及导线若干。
①甲同学设计了如图1所示的电路来进行测量,当通过L的电流为0.46A时,电压表的示数如图2所示,此时L的电阻为________________Ω。

②乙同学又设计了如图3所示的电路来进行测量,电压表指针指在最大刻度时,加在L上的电压值是_________________V。
③学习小组认为要想更准确地描绘出L完整的伏安特性曲线,需要重新设计电路。请你在乙同学的基础上利用所供器材,在图4所示的虚线框内补画出实验电路图,并在图上标明所选器材代号____________。

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【1】题量占比
单选题:(2道)
选择题:(2道)
多选题:(1道)
解答题:(2道)
实验题:(1道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:4
7星难题:0
8星难题:2
9星难题:0